R. Duffield

Publications27
h-index8
Citations180
Highly Influential Citations6
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Biology Of Microdon fuscipennis (Diptera, Syrphidae) With Interpretations Of The Reproductive Strategies Of Microdon Species Found North Of Mexico
—Two hundred and ninety six adults, larvae, and pupae of Microdon fuscipennis were collected and/or reared from nests of the dolichoderine ant, Iridomyrmex pruinosus (Roger). Observations are made on… Expand
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Chemistry of the Venom of Solenopsis aurea (Hymenoptera: Formicidae)
The venom of the fire ant, Solenopsis invicta Buren, consists primarily of the trans -isomers of a series of dialkylpiperidines (MacConnell et al. 1971) which may be partly responsible for the toxic… Expand
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Density and Dispersion of Cavity Dwelling Ant Species in Nuts of Eastern US Forest Floors
ABSTRACT Here we report on nut-nesting ant communities in the southeastern United States. We compared species diversity, ant abundance, and nut occupancy rates among sites in five states, and report… Expand
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Mandibular gland chemistry of four Caribbean species of Camponotus (Hymenoptera: Formicidae).
The volatile components of whole-body extracts of males, females and workers were analyzed in four species of Neotropical ants in the formicine genus, Camponotus. The species, C. kaura, C.… Expand
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Occurrence of the rotifer, Habrotrocha cf. rosa Donner, in the purple pitcher plant, Sarracenia purpurea L., (Sarraceniaceae) along the eastern seaboard of North America
Sarracenia purpurea L. plants were studiedin seven bogsalong the eastern seaboard of the United States fromNew Jersey to Georgia. Water sampled from 225 leaveswas found to contain several… Expand
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Survival of Pseudomonas aeruginosa in modified Romanowsky staining solutions.
BACKGROUND Anecdotal reports suggest that rapid staining solutions can become contaminated with micro-organisms, especially Pseudomonas aeruginosa. HYPOTHESIS/OBJECTIVES To determine whether… Expand
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Use of omental pedicles in mycotic abdominal aortic aneurysm repair.
We report a case of a sixty year old man with a mycotic infra-renal abdominal aortic aneurysm complicated by a left psoas abscess. After treatment with parenteral antibiotics he underwent early… Expand
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Automated classification metrics for energy modelling of residential buildings in the UK with open algorithms
Estimating residential building energy use across large spatial extents is vital for identifying and testing effective strategies to reduce carbon emissions and improve urban sustainability. This… Expand
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Occurence of alderfly larvae (Megaloptera) in a West Virginia population of the purple pitcher plant Sarracenia purpurea L. (Sarraceniaceae)
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Identification of sarracenin in four species of Sarracenia (Sarraceniaceae).
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